<div class="refentry" lang="en" xml:lang="en"><a id="glEnableVertexAttribArray"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glEnableVertexAttribArray — Enable or disable a generic vertex attribute array</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glEnableVertexAttribArray</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var><code>)</code>;</td></tr></table><table><tr><td><code class="funcdef">void <b class="fsfunc">glDisableVertexAttribArray</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>index</code></em></span></dt><dd><p>Specifies the index of the generic vertex
            attribute to be enabled or disabled.</p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p><code class="function">glEnableVertexAttribArray</code> enables the
    generic vertex attribute array specified by
    <em class="parameter"><code>index</code></em>.
    <code class="function">glDisableVertexAttribArray</code> disables the
    generic vertex attribute array specified by
    <em class="parameter"><code>index</code></em>. By default, all client-side
    capabilities are disabled, including all generic vertex
    attribute arrays. If enabled, the values in the generic vertex
    attribute array will be accessed and used for rendering when
    calls are made to vertex array commands such as
    <a href="glDrawArrays"><span class="citerefentry"><span class="refentrytitle">glDrawArrays</span></span></a>,
    <a href="glDrawElements"><span class="citerefentry"><span class="refentrytitle">glDrawElements</span></span></a>,
    <a href="glDrawRangeElements"><span class="citerefentry"><span class="refentrytitle">glDrawRangeElements</span></span></a>,
    <a href="glMultiDrawElements"><span class="citerefentry"><span class="refentrytitle">glMultiDrawElements</span></span></a>,
    or
    <a href="glMultiDrawArrays"><span class="citerefentry"><span class="refentrytitle">glMultiDrawArrays</span></span></a>.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p><code class="constant">GL_INVALID_VALUE</code> is generated if
    <em class="parameter"><code>index</code></em> is greater than or equal to
    <code class="constant">GL_MAX_VERTEX_ATTRIBS</code>.</p><p><code class="constant">GL_INVALID_OPERATION</code> is generated if
    there is no current vertex array object.</p>
            
            </div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p><a href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>
    with argument <code class="constant">GL_MAX_VERTEX_ATTRIBS</code></p><p><a href="glGetVertexAttrib"><span class="citerefentry"><span class="refentrytitle">glGetVertexAttrib</span></span></a>
    with arguments <em class="parameter"><code>index</code></em> and
    <code class="constant">GL_VERTEX_ATTRIB_ARRAY_ENABLED</code>
    <em class="parameter"><code></code></em></p><p><a href="glGetVertexAttribPointerv"><span class="citerefentry"><span class="refentrytitle">glGetVertexAttribPointerv</span></span></a>
    with arguments <em class="parameter"><code>index</code></em> and
    <code class="constant">GL_VERTEX_ATTRIB_ARRAY_POINTER</code></p></div>
        {$pipelinestall}{$examples}
        <div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
    <a href="glBindAttribLocation"><span class="citerefentry"><span class="refentrytitle">glBindAttribLocation</span></span></a>,
    <a href="glDrawArrays"><span class="citerefentry"><span class="refentrytitle">glDrawArrays</span></span></a>,
    <a href="glDrawElements"><span class="citerefentry"><span class="refentrytitle">glDrawElements</span></span></a>,
    <a href="glDrawRangeElements"><span class="citerefentry"><span class="refentrytitle">glDrawRangeElements</span></span></a>,
    <a href="glMultiDrawElements"><span class="citerefentry"><span class="refentrytitle">glMultiDrawElements</span></span></a>,
    <a href="glVertexAttrib"><span class="citerefentry"><span class="refentrytitle">glVertexAttrib</span></span></a>,
    <a href="glVertexAttribPointer"><span class="citerefentry"><span class="refentrytitle">glVertexAttribPointer</span></span></a>
    </p></div><div class="refsect1" lang="en" xml:lang="en"><div id="Copyright"><h2>Copyright</h2><p>
            Copyright © 2003-2005 3Dlabs Inc. Ltd.
            This material may be distributed subject to the terms and conditions set forth in
            the Open Publication License, v 1.0, 8 June 1999.
            <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
        </p></div></div></div>
